Get chrome to link with USE_AURA

chrome/browser/platform_util_aura.cc

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/platform_util.h"
+
+#include "aura/window.h"
+#include "base/logging.h"
+
+namespace platform_util {
+
+void ShowItemInFolder(const FilePath& full_path) {
+  // TODO(beng):
+  NOTIMPLEMENTED();
+}
+
+void OpenItem(const FilePath& full_path) {
+  // TODO(beng):
+  NOTIMPLEMENTED();
+}
+
+void OpenExternal(const GURL& url) {
+  // TODO(beng):
+  NOTIMPLEMENTED();
+}
+
+gfx::NativeWindow GetTopLevel(gfx::NativeView view) {
+  // TODO(beng):
+  NOTIMPLEMENTED();
+  return NULL;
+}
+
+gfx::NativeView GetParent(gfx::NativeView view) {
+  return view->parent();
+}
+
+bool IsWindowActive(gfx::NativeWindow window) {
+  // TODO(beng):
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void ActivateWindow(gfx::NativeWindow window) {
+  // TODO(beng):
+  NOTIMPLEMENTED();
+}
+
+bool IsVisible(gfx::NativeView view) {
+  return view->visibility() != aura::Window::VISIBILITY_HIDDEN;
+}
+
+}  // namespace platform_util